package com.ming.spi.impl;


import com.ming.spi.services.DogService;

/**
 * Created by yyj on 2018/8/9.
 */

public class BlackDogServiceImpl implements DogService {

    @Override
    public void sleep() {
        System.out.println("黑色dog。。。汪汪叫，不睡觉...");

    }

}
